package jing.filter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class UserFilter implements HandlerInterceptor{

	@Override
	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception exception)
			throws Exception {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3)
			throws Exception {
		// TODO Auto-generated method stub
		
	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
		StringBuffer url = request.getRequestURL();
		if(url.indexOf("login") > 0){
			return true;
		}
		HttpSession session = request.getSession();
		if(session.getAttribute("user") !=null){
			return true;
		}
		
		request.getRequestDispatcher("/WEB-INF/jsp/pless_login.jsp").forward(request, response);
		return false;
	}

}
